Jamal and Kenny stopped at the donut store before school. Jamal bought 1 cup of hot chocolate and 2 donuts for $4.35. Kenny bought 2 cups of hot chocolate and 3 donuts for $7.45.

Use the substitution method to solve a system of equations relating C, the cost of one hot chocolate, and D, the cost of one donut.

$\displaystyle{C}+{2}{D}={4.35}\usepackage{cmbright}\Huge\$

$\displaystyle{2}{C}+{3}{D}={7.45}\usepackage{cmbright}\Huge\$

How much does each item cost?